BR112015007197B1 - metodo de eletrólise contínua com banho eletrolítico para produção de polissulfeto - Google Patents

metodo de eletrólise contínua com banho eletrolítico para produção de polissulfeto Download PDF

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Publication number
BR112015007197B1
BR112015007197B1 BR112015007197-0A BR112015007197A BR112015007197B1 BR 112015007197 B1 BR112015007197 B1 BR 112015007197B1 BR 112015007197 A BR112015007197 A BR 112015007197A BR 112015007197 B1 BR112015007197 B1 BR 112015007197B1
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BR
Brazil
Prior art keywords
electrolysis
white liquor
compartment
scale
electrolytic bath
Prior art date
Application number
BR112015007197-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112015007197A2 (pt
Inventor
Kenichiro Suyama
Kazuhiro Kurosu
Masaaki Kato
Hideo Otsu
Original Assignee
Nippon Paper Industries Co., Ltd.
Per Melec Electrode Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Paper Industries Co., Ltd., Per Melec Electrode Ltd filed Critical Nippon Paper Industries Co., Ltd.
Publication of BR112015007197A2 publication Critical patent/BR112015007197A2/pt
Publication of BR112015007197B1 publication Critical patent/BR112015007197B1/pt

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/14—Alkali metal compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46119—Cleaning the electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4611—Fluid flow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Automation & Control Theory (AREA)
  • Paper (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BR112015007197-0A 2012-10-01 2013-09-30 metodo de eletrólise contínua com banho eletrolítico para produção de polissulfeto BR112015007197B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-219899 2012-10-01
JP2012219899 2012-10-01
PCT/JP2013/077191 WO2014054815A1 (ja) 2012-10-01 2013-09-30 多硫化物製造用電解槽による連続電解方法及びそれを実施する電解装置

Publications (2)

Publication Number Publication Date
BR112015007197A2 BR112015007197A2 (pt) 2019-12-17
BR112015007197B1 true BR112015007197B1 (pt) 2021-06-08

Family

ID=50435133

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015007197-0A BR112015007197B1 (pt) 2012-10-01 2013-09-30 metodo de eletrólise contínua com banho eletrolítico para produção de polissulfeto

Country Status (9)

Country Link
US (2) US9951432B2 (zh)
EP (1) EP2905360B1 (zh)
JP (1) JP6236392B2 (zh)
CN (1) CN104854263B (zh)
BR (1) BR112015007197B1 (zh)
CA (1) CA2886711C (zh)
CL (1) CL2015000801A1 (zh)
MY (1) MY188587A (zh)
WO (1) WO2014054815A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6672211B2 (ja) * 2017-03-21 2020-03-25 株式会社東芝 二酸化炭素電解装置および二酸化炭素電解方法
CN111268767A (zh) * 2020-01-21 2020-06-12 广东原之生农业科技有限公司 一种电解槽自动酸洗控制方法、装置及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988223A (en) * 1975-10-28 1976-10-26 Basf Wyandotte Corporation Unplugging of electrolysis diaphragms
US4073748A (en) 1977-01-21 1978-02-14 The Mead Corporation Method for preparing wetproofed catalyst particles and particles produced thereby
JPS61259754A (ja) 1985-05-11 1986-11-18 Mitsubishi Paper Mills Ltd 硫化ナトリウム含有水溶液の処理方法及びその触媒
FR2673423B1 (fr) 1991-03-01 1994-04-15 Krebs Cie Procede d'elimination de sulfates contenus dans des solutions de chlorates alcalins et production desdits chlorates alcalins.
JPH08164390A (ja) * 1991-04-30 1996-06-25 Konica Corp 被処理水の電気化学的処理方法
US5277768A (en) * 1992-04-03 1994-01-11 Sterling Canada, Inc. Membrane cell washing
JPH078954A (ja) 1993-06-18 1995-01-13 Tatsuo Okazaki 電解整水装置の隔膜洗浄方法及びこの方法に使用する 電解隔膜並びにこの方法を実施するための機構を備え た電解整水装置
SE501204C2 (sv) * 1993-06-28 1994-12-05 Eka Nobel Ab Framställning av polysulfid genom elektrolys av vitlut som innehåller sulfid
JP4187826B2 (ja) 1998-05-29 2008-11-26 川崎化成工業株式会社 電解酸化による多硫化物の製造方法
JP4312869B2 (ja) 1999-02-26 2009-08-12 旭硝子株式会社 電解酸化を用いた多硫化物の製造方法
JP4314626B2 (ja) 1999-09-08 2009-08-19 栗田工業株式会社 紙パルプ工場アルカリ回収工程のスケール防止方法
JP4013527B2 (ja) * 2001-11-02 2007-11-28 栗田工業株式会社 水の電気的処理装置
JP4453707B2 (ja) 2007-02-09 2010-04-21 栗田工業株式会社 緑液製造系におけるスケール形成抑制剤、スケール形成抑制方法、及び緑液製造系
JP2008202185A (ja) 2007-02-22 2008-09-04 Kurita Water Ind Ltd 緑液製造系におけるスケール形成抑制剤、スケール形成抑制方法、及び緑液製造系
US20090242422A1 (en) * 2008-03-31 2009-10-01 Kazuhiro Kurosu Method for recovering performance of electrolyzer for use in production of polysulfide and method for stopping holding electrolyzer
JP5231067B2 (ja) 2008-03-31 2013-07-10 日本製紙株式会社 多硫化物の製造に用いる電解槽の性能回復方法及び多硫化物の製造方法
CN102428040B (zh) 2009-03-17 2016-03-02 伊塔尔麦奇化学股份公司 用于抑制钙盐结垢的组合物

Also Published As

Publication number Publication date
WO2014054815A1 (ja) 2014-04-10
US9951432B2 (en) 2018-04-24
CA2886711C (en) 2020-12-08
US20180195189A1 (en) 2018-07-12
CA2886711A1 (en) 2014-04-10
EP2905360A1 (en) 2015-08-12
BR112015007197A2 (pt) 2019-12-17
JP6236392B2 (ja) 2017-11-22
EP2905360A4 (en) 2016-07-06
CN104854263A (zh) 2015-08-19
CL2015000801A1 (es) 2015-11-06
MY188587A (en) 2021-12-22
JPWO2014054815A1 (ja) 2016-08-25
US10253422B2 (en) 2019-04-09
CN104854263B (zh) 2018-06-22
EP2905360B1 (en) 2019-02-06
US20150240370A1 (en) 2015-08-27

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11N Dismissal: publication cancelled [chapter 11.14 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/09/2013, OBSERVADAS AS CONDICOES LEGAIS.